Mountains form when they move together
Breathing, burning something/ fire, or i guess photosynthesis
A.) this is because your membrane is called the phospholipid bilayer. bilayer meaning two layers. In this bilayer, there are different properties, hydrophobic tails that are on the inside of the layer and a hydrophilic head that is on the outside of the layer
sugars and amino acids are made of the same elements except amino acids also cointan nitrogen.
Answer:
A)Tetrapods were no longer tied to the water for reproduction. B) Tetrapods could now function with just lungs.
